From: Abner Chang <abner.ch...@amd.com>
BZ #4354
This change adds definitions for IPMI KCS.
Signed-off-by: Abner Chang <abner.ch...@amd.com>
Cc: Michael D Kinney <michael.d.kin...@intel.com>
Cc: Liming Gao <gaolim...@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang....@intel.com>
Cc: Nickle Wang <nick...@nvidia.com>
Cc: Igor Kulchytskyy <ig...@ami.com>
Cc: Isaac Oram <isaac.w.o...@intel.com>
Cc: Abdul Lateef Attar <abdullateef.at...@amd.com>
---
MdePkg/MdePkg.dec | 5 ++
MdePkg/Include/IndustryStandard/IpmiKcs.h | 72 +++++++++++++++++++++++
2 files changed, 77 insertions(+)
create mode 100644 MdePkg/Include/IndustryStandard/IpmiKcs.h
diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
index 3d08f20d15b..0ed033983bf 100644
--- a/MdePkg/MdePkg.dec
+++ b/MdePkg/MdePkg.dec
@@ -9,6 +9,7 @@
# (C) Copyright 2016 - 2021 Hewlett Packard Enterprise Development LP<BR>
# Copyright (c) 2022, Loongson Technology Corporation Limited. All rights
reserved.<BR>
# Copyright (c) 2021 - 2022, Arm Limited. All rights reserved.<BR>
+# Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -2332,6 +2333,10 @@
# @Prompt Memory Address of GuidedExtractHandler Table.
gEfiMdePkgTokenSpaceGuid.PcdGuidedExtractHandlerTableAddress|0x1000000|UINT64|0x30001015
+ ## This value is the IPMI KCS Interface I/O base address used to transmit
IPMI commands.
+ # @Prompt IPMI KCS Interface I/O Base Address
+ gEfiMdePkgTokenSpaceGuid.PcdIpmiKcsBaseAddress|0xca2|UINT16|0x00000031
+
[PcdsFixedAtBuild, PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx]
## This value is used to set the base address of PCI express hierarchy.
# @Prompt PCI Express Base Address.
diff --git a/MdePkg/Include/IndustryStandard/IpmiKcs.h
b/MdePkg/Include/IndustryStandard/IpmiKcs.h
new file mode 100644
index 00000000000..2a51698b126
--- /dev/null
+++ b/MdePkg/Include/IndustryStandard/IpmiKcs.h
@@ -0,0 +1,72 @@
+/** @file
+ IPMI KCS Register Definitions
+
+ Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef IPMI_KCS_H_
+#define IPMI_KCS_H_
+
+#define IPMI_KCS_STATUS_REGISTER_OFFSET 1
+#define IPMI_KCS_COMMAND_REGISTER_OFFSET 1
+#define IPMI_KCS_DATA_OUT_REGISTER_OFFSET 0
+#define IPMI_KCS_DATA_IN_REGISTER_OFFSET 0
+
+///
+/// IPMI KCS Interface Status Bits
+///
+#define IPMI_KCS_OBF BIT0
+#define IPMI_KCS_IBF BIT1
+#define IPMI_KCS_SMS_ATN BIT2
+#define IPMI_KCS_COMMAND_DATA BIT3
+#define IPMI_KCS_OEM1 BIT4
+#define IPMI_KCS_OEM2 BIT5
+#define IPMI_KCS_S0 BIT6
+#define IPMI_KCS_S1 BIT7
+
+///
+/// IPMI KCS Interface Control Codes
+///
+#define IPMI_KCS_CONTROL_CODE_GET_STATUS_ABORT 0x60
+#define IPMI_KCS_CONTROL_CODE_WRITE_START 0x61
+#define IPMI_KCS_CONTROL_CODE_WRITE_END 0x62
+#define IPMI_KCS_CONTROL_CODE_READ 0x68
+
+///
+/// Status Codes
+///
+#define IPMI_KCS_STATUS_NO_ERROR 0x00
+#define IPMI_KCS_STATUS_ABORT 0x01
+#define IPMI_KCS_STATUS_ILLEGAL 0x02
+#define IPMI_KCS_STATUS_LENGTH_ERROR 0x06
+#define IPMI_KCS_STATUS_UNSPECIFIED 0xFF
+
+///
+/// KCS Interface State Bit
+///
+typedef enum {
+ IPMI_KCS_IDLE_STATE = 0,
+ IPMI_KCS_READ_STATE,
+ IPMI_KCS_WRITE_STATE,
+ IPMI_KCS_ERROR_STATE
+} IPMI_KCS_STATE;
+
+///
+/// IPMI KCS Interface Request Format
+///
+typedef struct {
+ UINT8 NetFunc;
+ UINT8 Command;
+ UINT8 Data[0];
+} IPMI_KCS_RESQUEST_HEADER;
+
+///
+/// IPMI KCS Interface Response Format
+///
+typedef struct {
+ UINT8 NetFunc;
+ UINT8 Command;
+ UINT8 CompletionCode;
+} IPMI_KCS_RESPONSE_HEADER;
+#endif
--
2.37.1.windows.1
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